John Ioannidis
Publication Details
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Publication delay of randomized trials on 2009 influenza A (H1N1) vaccination.
PLoS One. 2011; (12): e28346
Randomized evidence for vaccine immunogenicity and safety is urgently needed in the setting of pandemics with new emerging infectious agents. We carried out an observational survey to evaluate how many randomized controlled trials testing 2009 H1N1 vaccines were published among those registered, and what was the time lag from their start to publication and from their completion to publication.
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